The objectives of this research are 1) to analyze the confirmatory factors performance standards and conduct standards of teachers who have been certified through the Teachers' Council of Professional Knowledge Standards training 2) to study the level of compliance with performance standards and conduct standards, and 3) to study the development guidelines according to performance standards and conduct standards. The samples consisted of 348 persons who passed the teachers' professional knowledge training standard of the Teachers Council of Thailand by Multi-Stage Random Sampling. The instruments used to collect data are: quality-validated questionnaires from experts and try out before use. Analyze data with Second-Order Confirmatory Factor Analysis, S.D., and Content Analysis. The results of the research were as follows: 1) The second-order confirmatory factors analysis on performance standards showed that the model was consistent with the empirical data. It shows that the performance standard consisted of 12 factors. In terms of conduct standards, it found that the model was consistent with the empirical data additionally. It showed that the standard of conduct consisted of 5 factors. 2) Compliance with overall performance standards is at a high level and conduct standards are at a very high level. 3) There are seven development guidelines according to performance standards and six guidelines for development according to the conduct standards which the experts have approved.